# coding:utf-8

from flask import Flask
from flask.ext.bootstrap import Bootstrap #提供客户端框架
from flask.ext.mail import Mail
from flask.ext.moment import Moment #处理协调世界时间
from flask.ext.sqlalchemy import SQLAlchemy
from flask.ext.login import LoginManager
from flask.ext.pagedown import PageDown
from config import config

bootstrap = Bootstrap()
mail = Mail()
moment = Moment()
db = SQLAlchemy()
pagedown = PageDown()
login_manager = LoginManager()

login_manager.session_protection = 'strong'
login_manager.login_view = 'auth.login'

def create_app(config_name):
    app = Flask(__name__)
    app.config.from_object(config[config_name])
    config[config_name].init_app(app)

    bootstrap.init_app(app)
    mail.init_app(app)
    moment.init_app(app)
    db.init_app(app)
    pagedown.init_app(app)
    login_manager.init_app(app)

    # 附加路由和自定义的错误页面
    from .main import main as main_blueprint
    app.register_blueprint(main_blueprint)

    from .auth import auth as auth_blueprint
    app.register_blueprint(auth_blueprint, url_prefix='/auth')

    return app